ASSOCIATED PRESS NEW YORK -- Iraq war veteran Sgt. Juan Arredondo can grasp tennis balls and door knobs with his left hand again, now that he's been outfitted with a bionic hand that has flexible fingers. The 27-year-old former soldier, who lost his left hand in 2005 during a patrol, is one of the first recipients of the i-LIMB. "To have this movement, it's -- it's amazing," Arredondo said Monday as he showed off the limb made by Scotland-based Touch Bionics. "It just gets me more excited about now, about the future." The prosthetic hand is made of semi-translucent plastics....